Which IoT medication adherence technology was the first FDA-approved 'digital pill' system that tracks if patients actually ingested their medication?

Smart medication management has transformed patient care in recent years. IoT devices are increasingly being used to monitor medication adherence - a critical factor in treatment success, especially for chronic conditions. These devices connect to healthcare systems to provide real-time data on when patients take their medications, potentially improving outcomes and reducing healthcare costs. How well do you know the latest innovations in medication adherence technology?

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Proteus Discover (sensor-enabled pills with wearable patch)
AdhereTech (smart pill bottles with cellular connectivity)
MedMinder (IoT pill dispenser with remote monitoring)
PillDrill (RFID scanning medication tracking hub)